Home / 19,061.70-26,312.38-11,106.50

Finding the Fourth Proportional to 19,061.70, 26,312.38 and 11,106.50

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Solution

The fourth proportional to 19,061.70, 26,312.38 and 11,106.50 is: 15,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,061.70 : 26,312.38 = 11,106.50 : x
  2. Step 2: Convert to fraction form
    19,061.70/26,312.38 = 11,106.50/x
  3. Step 3: Cross multiply
    19,061.70x = 26,312.38 × 11,106.50
  4. Step 4: Simplify right side
    19,061.70x = 292,238,448.47
  5. Step 5: Solve for x
    x = 292,238,448.47/19,061.70
  6. Step 6: Final answer
    x = 15,331.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.